code: def test_builder_eval_broadcast(self):
      cond = np.array([[True], [False], [True]])
      a = np.array([[1, 2], [3, 4], [5, 6]], dtype=np.float32)
      b = np.array([7, 8], dtype=np.float32)
      res = mb.select(cond=cond, a=a, b=b)
      np.testing.assert_allclose(
          np.array([[1, 2], [7, 8], [5, 6]], dtype=np.float32),
          res.val,
          atol=1e-04,
          rtol=1e-05,
      )
  
imports: import itertools
  import numpy
  import pytest
  from coremltools.converters.mil.mil import Builder
  from coremltools.converters.mil.mil import get_new_symbol, types
  from coremltools.converters.mil.mil.ops.tests.iOS14 import backends
  from coremltools.converters.mil.mil.ops.tests.testing_utils import UNK_SYM, construct_inputs_from_placeholders, run_compare_builder
  from coremltools.converters.mil.testing_reqs import compute_units
  from coremltools.converters.mil.testing_utils import random_gen, ssa_fn
label_desc: Use image node_id 6 for calling the TestSelect obj's underlying member method code with example usage: obj.test_builder_eval_broadcast() without return types